/**
 * 
 * The MIT License
 * 
 * Copyright (c) 2008 the original author or authors.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:

 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.googlecode.gchartjava;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

/**
 * Array utilities.
 *
 * @author Julien Chastang (julien.c.chastang at gmail dot com)
 */
public final class ArraysUtil {
	
	/**
	 * 
	 */
	private ArraysUtil(){
	}

	/**
	 * Utility method that converts a vararg array of type T to an unmodifiable
	 * List.
	 * 
	 * @param <T>
	 * @param a
	 *            an array of type T
	 * @return an unmodifiable list.
	 */
	public static <T> List<T> asUnmodifiableList(T... a) {
		return Collections.unmodifiableList(Arrays.asList(a));
	}
	
	
	/**
	 * Deep copy a float array.
	 * 
	 * @param data
	 *            float data array that will be deep copied.
	 * 
	 * @return Brand new array that contains the same float data.
	 */
	public static float[] deepCopyFloatArray(float[] data) {
		if (data == null)
			return null;
		else {
			float[] dst = new float[data.length];
			System.arraycopy(data, 0, dst, 0, data.length);
			return dst;
		}
	}
}
